In an email we received from Janet D., she shared her recent unsettling experience. Here’s what she described: "I received a pop-up that froze my computer and read, ‘Access to this system is blocked ...

Update, March 31, 2025: This story, originally published March 29, has been updated with an explanation of LOLBINS as well as further technical information regarding the Windows Defender Application ...

Windows Defender is a capable antivirus solution built into Windows itself. Unless you’ve installed a different antivirus program on your Windows 11 or Windows 10 PC, your PC is using it right now.

To permanently remove Windows Security, use Local Group Policy Editor, Windows Registry tweaks, or the Windows Defender Remover tool. Be cautious— removal can leave your PC vulnerable. Always back up ...

PCWorld reports on the ‘RedSun’ vulnerability in Microsoft Defender affecting Windows 10, 11, and Server systems that allows attackers to gain administrative privileges. Security researcher Chaotic ...

Question: What does Trend Micro’s Internet Security do over Windows Defender? Answer: Cyber threats today aren’t just about viruses as phishing scams, ransomware attacks, and identity theft are all ...

Q: Are Windows Defender warnings that pop up with a phone number legit? A: Microsoft’s built-in security tool has improved over the years, and it still blocks plenty of everyday threats. But the ...

Do you still need third-party antivirus on your Windows PC?

This method involves modifying a Registry value called DisableAntiSpyware. In older versions of Windows, this policy key was used by OEMs and IT administrators to disable Microsoft Defender Antivirus ...

PCWorld outlines five essential Windows Defender configuration changes to optimize security and performance on new Windows PCs. Key adjustments include disabling redundant system tray icons, turning ...

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